asm_tricore.c File Reference

#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <rz_types.h>
#include <rz_lib.h>
#include <rz_util.h>
#include <rz_asm.h>
#include "disas-asm.h"

Go to the source code of this file.

Enumerations
enum	{   TRICORE_GENERIC = 0x00000000 , TRICORE_RIDER_A = 0x00000001 , TRICORE_RIDER_B = 0x00000002 , TRICORE_RIDER_D = TRICORE_RIDER_B ,   TRICORE_V2 = 0x00000004 , TRICORE_PCP = 0x00000010 , TRICORE_PCP2 = 0x00000020 }

Functions
static int	cpu_to_mach (char *cpu_type)
static int	tricore_buffer_read_memory (bfd_vma memaddr, bfd_byte *myaddr, ut32 length, struct disassemble_info *info)
static int	symbol_at_address (bfd_vma addr, struct disassemble_info *info)
static void	memory_error_func (int status, bfd_vma memaddr, struct disassemble_info *info)
static int	disassemble (RzAsm *a, RzAsmOp *op, const ut8 *buf, int len)

Variables
static unsigned long	Offset = 0
static RzStrBuf *	buf_global = NULL
static ut8	bytes [128]
RzAsmPlugin	rz_asm_plugin_tricore
RZ_API RzLibStruct	rizin_plugin

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
TRICORE_GENERIC
TRICORE_RIDER_A
TRICORE_RIDER_B
TRICORE_RIDER_D
TRICORE_V2
TRICORE_PCP
TRICORE_PCP2

Definition at line 18 of file asm_tricore.c.

     {
    TRICORE_GENERIC = 0x00000000,
    TRICORE_RIDER_A = 0x00000001,
    TRICORE_RIDER_B = 0x00000002,
    TRICORE_RIDER_D = TRICORE_RIDER_B,
    TRICORE_V2 = 0x00000004,
    TRICORE_PCP = 0x00000010,
    TRICORE_PCP2 = 0x00000020
};

Function Documentation

cpu_to_mach()

static int cpu_to_mach ( char *  cpu_type )

static

Definition at line 28 of file asm_tricore.c.

                                       {
    if (cpu_type && *cpu_type) {
        if (!strcmp(cpu_type, "generic")) {
            return TRICORE_GENERIC;
        }
        if (!strcmp(cpu_type, "rider-a")) {
            return TRICORE_RIDER_A;
        }
        if ((!strcmp(cpu_type, "rider-b")) || (!strcmp(cpu_type, "rider-d"))) {
            return TRICORE_RIDER_B;
        }
        if (!strcmp(cpu_type, "v2")) {
            return TRICORE_V2;
        }
        if (!strcmp(cpu_type, "pcp")) {
            return TRICORE_PCP;
        }
        if (!strcmp(cpu_type, "pcp2")) {
            return TRICORE_PCP2;
        }
    }
    return TRICORE_RIDER_B;
}

References cpu_type, TRICORE_GENERIC, TRICORE_PCP, TRICORE_PCP2, TRICORE_RIDER_A, TRICORE_RIDER_B, and TRICORE_V2.

Referenced by disassemble().

disassemble()

static int disassemble ( RzAsm *  a, RzAsmOp *  op, const ut8 *  buf, int  len  )

static

Definition at line 71 of file asm_tricore.c.

                                                                       {
    struct disassemble_info disasm_obj;
    buf_global = &op->buf_asm;
    Offset = a->pc;
    memcpy(bytes, buf, RZ_MIN(len, 8)); // TODO handle thumb
 
    /* prepare disassembler */
    memset(&disasm_obj, '\0', sizeof(struct disassemble_info));
    disasm_obj.disassembler_options = (a->bits == 64) ? "64" : "";
    disasm_obj.buffer = bytes;
    disasm_obj.read_memory_func = &tricore_buffer_read_memory;
    disasm_obj.symbol_at_address_func = &symbol_at_address;
    disasm_obj.memory_error_func = &memory_error_func;
    disasm_obj.print_address_func = &generic_print_address_func;
    disasm_obj.endian = BFD_ENDIAN_LITTLE;
    disasm_obj.fprintf_func = &generic_fprintf_func;
    disasm_obj.stream = stdout;
 
    // cpu type
    disasm_obj.mach = cpu_to_mach(a->cpu);
 
    op->size = print_insn_tricore((bfd_vma)Offset, &disasm_obj);
    if (op->size == -1) {
        rz_asm_op_set_asm(op, " (data)");
    }
    return op->size;
}

References a, BFD_ENDIAN_LITTLE, buf_global, disassemble_info::buffer, bytes, cpu_to_mach(), disassemble_info::disassembler_options, disassemble_info::endian, disassemble_info::fprintf_func, len, disassemble_info::mach, memcpy(), memory_error_func(), disassemble_info::memory_error_func, memset(), Offset, disassemble_info::print_address_func, print_insn_tricore(), disassemble_info::read_memory_func, rz_asm_op_set_asm(), RZ_MIN, disassemble_info::stream, symbol_at_address(), disassemble_info::symbol_at_address_func, and tricore_buffer_read_memory().

memory_error_func()

static void memory_error_func ( int  status, bfd_vma  memaddr, struct disassemble_info *  info  )

static

Definition at line 64 of file asm_tricore.c.

                                                                                          {
    //--
}

Referenced by disassemble().

symbol_at_address()

static int symbol_at_address ( bfd_vma  addr, struct disassemble_info *  info  )

static

Definition at line 60 of file asm_tricore.c.

                                                                          {
    return 0;
}

Referenced by disassemble().

tricore_buffer_read_memory()

static int tricore_buffer_read_memory ( bfd_vma  memaddr, bfd_byte *  myaddr, ut32  length, struct disassemble_info *  info  )

static

Definition at line 52 of file asm_tricore.c.

                                                                                                                     {
    int delta = memaddr - Offset;
    if (delta >= 0 && length + delta < sizeof(bytes)) {
        memcpy(myaddr, bytes + delta, length);
    }
    return 0;
}

References bytes, delta, length, memcpy(), and Offset.

Referenced by disassemble().

Variable Documentation

buf_global

RzStrBuf* buf_global = NULL

static

Definition at line 16 of file asm_tricore.c.

Referenced by disassemble().

bytes

ut8 bytes[128]

static

Definition at line 17 of file asm_tricore.c.

Referenced by disassemble(), and tricore_buffer_read_memory().

Offset

unsigned long Offset = 0

static

Definition at line 15 of file asm_tricore.c.

Referenced by disassemble(), and tricore_buffer_read_memory().

rizin_plugin

RZ_API RzLibStruct rizin_plugin

Initial value:

= {
    .type = RZ_LIB_TYPE_ASM,
    .data = &rz_asm_plugin_tricore,
    .version = RZ_VERSION
}

Definition at line 110 of file asm_tricore.c.

rz_asm_plugin_tricore

RzAsmPlugin rz_asm_plugin_tricore

Initial value:

= {
    .name = "tricore",
    .arch = "tricore",
    .license = "GPL3",
    .bits = 32,
    .endian = RZ_SYS_ENDIAN_LITTLE,
    .desc = "Siemens TriCore CPU",
    .disassemble = &disassemble,
}

Definition at line 99 of file asm_tricore.c.